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The seminar commenced with a welcome speech and speaker introduction by Prof. CHEN Qingyan, Director of the PolyU Academy for Interdisciplinary Research (PAIR). In his presentation, Prof. Cao stated that urban environment engineering seeks to apply system engineering to solve complex urban problems. He highlighted that interdisciplinary research that combines scientific and mathematical approaches is crucial for understanding the mechanisms and laws concerning the complex interactions between humans and the ecological environment. Prof. Cao emphasised that the modelling of urban pollution involves a mix of techniques, including remote sensing, big data, computational simulation, the Internet of Things, artificial intelligence, digital twins, etc. He gave various project examples to explain how different techniques can be used for scientific monitoring, fast prediction, assessment and regulation of urban pollution. To conclude, Prof. Cao pointed out that advancements in urban environment modelling and intelligent control can build the scientific foundation for sustainable urban development.
Event date: 22/05/2024
Speaker: Prof. CAO Shi-Jie
Hosted by: PolyU Academy for Interdisciplinary Research
- Subjects:
- Environmental Engineering
- Keywords:
- Urban ecology (Sociology) Urbanization -- Environmental aspects Urban pollution
- Resource Type:
- Video
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Video
The vast majority of our grid-scale storage of electricity uses this clever method. Electricity faces a fundamental problem that comes with pretty much any product that’s provided on-demand: our ability to generate large amounts of it doesn’t match up that closely with when we need it. The storage of electricity for later use, especially on a large scale, is quite challenging. That’s not to say that we don’t store energy at grid scale though, and there’s one type of storage that makes up the vast majority of our current capacity.
- Subjects:
- Environmental Engineering, Hydraulic Engineering, and Mechanical Engineering
- Keywords:
- Energy storage Water-power Pumped storage power plants
- Resource Type:
- Video
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Video
Can renewable energy be adopted to aviation transportation industry? Can our giant planes powered by batteries? This video discusses some possibilities.
- Subjects:
- Environmental Engineering, Aeronautical and Aviation Engineering, and Transportation
- Keywords:
- Renewable energy sources Energy storage Airplanes -- Fuel
- Resource Type:
- Video
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Video
Is hydrogen the solution to electric cars? This video discusses the safety of hydrogen, cost of hydrogen, infrastructure set up for hydrogen charging, and how hydrogen fuel cells work in vehicles.
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Video
Hydrogen fuel cell cars and lithium-ion battery powered cars, which is more energy efficient and cost effective? This video shows you some facts from perspectives of production, storage of fuels, and infrastructure set up for charging.
- Subjects:
- Electrical Engineering, Chemistry, Environmental Engineering, and Transportation
- Keywords:
- Hydrogen cars Hydrogen as fuel Electric vehicles Fuel cells Hydrogen -- Storage
- Resource Type:
- Video
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Video
Biofuels can provide energy without the reliance on environmentally harmful fossils fuels -- but scientists are still searching for a plentiful source. Craig A. Kohn demonstrates how cellulose, the naturally abundant tough walls of plant cells, might be the solution.
- Subjects:
- Mechanical Engineering, Environmental Engineering, and Chemical and Bioprocess Technology
- Keywords:
- Renewable energy sources Biomass conversion Cellulose -- Biodegradation Biomass energy
- Resource Type:
- Video
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Video
The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world could be completely reliant on solar energy? Richard Komp examines how solar panels convert solar energy to electrical energy.
- Subjects:
- Building Services Engineering and Environmental Engineering
- Keywords:
- Renewable energy sources Solar energy Photovoltaic power generation
- Resource Type:
- Video